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Shareholder's Equity and Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Share-Based Payment Arrangement, Activity | The following table sets forth the Company’s stock option activity:
| Nine Months Ended September 30, 2023
| Stock Options |  | Weighted Average Exercise Price
Outstanding - beginning of period | 1,629,148 |  | $ | 89.71 |
Granted | 12,437 |  | $ | 211.25 |
Exercised | (238,492) |  | $ | 41.32 |
Cancelled/Forfeited/Expired | (9,750) |  | $ | 186.77 |
Outstanding - end of period | 1,393,343 |  | $ | 98.39 |
Exercisable - end of period | 950,421 |  | $ | 72.58 |
Schedule of RSA/RSU Activity | The following table sets forth the Company’s RSA/RSU activity:
| Nine Months Ended September 30, 2023
| Shares/Units
Outstanding and unvested - beginning of period | 523,377
Granted | 36,938
Vested | (133,039)
Forfeited | (20,809)
Outstanding and unvested - end of period | 406,467
Cumulative vested shares - end of period | 2,362,955
Summary of Stock-Based Compensation Expense Recognized in Statements of Operations Related to All Outstanding Stock Based Compensation Awards | Stock-based compensation expense recognized in the condensed consolidated statements of operations related to all outstanding stock based compensation awards is summarized below (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Total direct costs | $ | 2,745 |  |  | $ | 3,179 |  |  | $ | 8,243 |  |  | $ | 8,744 |
Selling, general and administrative | 2,262 |  |  | 2,615 |  |  | 7,108 |  |  | 7,075 |
Total stock-based compensation expense | $ | 5,007 |  |  | $ | 5,794 |  |  | $ | 15,351 |  |  | $ | 15,819 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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